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Application of an internal resistive source modeling for the FDTD analysis of CPW and CPS circuits

✍ Scribed by Kyu-Sung Kim; Jeong-Keun Ji; Jaehoon Choi

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 140 KB
Volume: 22
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19990705)22:1<78::aid-mop20>3.0.co;2-c

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✦ Synopsis

The finite-difference time-domain method FDTD is widely applied for the analysis of ¨arious microwa¨e circuits. In this letter, an important aspect of an internal resisti¨e source modeling is emphasized for reducing the number of time steps required for the FDTD calculation to con¨erge, especially for transient excitation. A CPW folded-slot antenna and CPS bandstop filter are chosen as complex structures to illustrate the ad¨antage of an internal resisti¨e source modeling. The numerical results show that the internal resisti¨e source modeling is numerically efficient and accurate in analyzing CPW and CPS circuits.

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